US Bridges

Road over Portland CR

Good

Lane County, Oregon · No Data Entered · Structure no. 061806000001596

Built
1975
50 years old
Condition
Good
inspected April 2022
Type
Slab
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
5
Owner
Federal
U.S. Forest Service

About this bridge

Road over Portland CR is a prestressed concrete slab carrying Road over Portland CR in Lane County, Oregon. It was built in 1975, so it is 50 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 7 by 2045. The structure is 49 ft (14.8 m) long and 20 ft wide. If it were closed, the detour would be 620.7 mi (999 km).

CarriesRoad
CrossesPortland CR
LocationNo Data Entered
RouteFederal Lands Road 18252
StateOregon
Coordinates43.96078, -122.51257
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating74.1 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length49 ft (14.8 m)
Longest span48 ft (14.6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (—)
Projected traffic7 by 2045
Trucks—
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed620.7 mi (999 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Road over Portland CR built?

It was built in 1975, making it 50 years old in 2025.

What condition is Road over Portland CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2022.

How much traffic does Road over Portland CR carry?

About 5 vehicles per day (latest count).

How long is Road over Portland CR?

The structure is 49 ft (14.8 m) long with a longest span of 48 ft (14.6 m) and a deck 20 ft wide.

Who owns Road over Portland CR?

It is owned by the U.S. Forest Service.